1288338 has 8 divisors (see below), whose sum is σ = 2576688. Its totient is φ = 429444.

The previous prime is 1288337. The next prime is 1288349. The reversal of 1288338 is 8338821.

It is a sphenic number, since it is the product of 3 distinct primes.

1288338 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1288299 and 1288308.

It is not an unprimeable number, because it can be changed into a prime (1288337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107356 + ... + 107367.

It is an arithmetic number, because the mean of its divisors is an integer number (322086).

2^1288338 is an apocalyptic number.

1288338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1288338 is a wasteful number, since it uses less digits than its factorization.

1288338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214728.

The product of its digits is 9216, while the sum is 33.

The square root of 1288338 is about 1135.0497786441. The cubic root of 1288338 is about 108.8119530733.

It can be divided in two parts, 12883 and 38, that added together give a palindrome (12921).

The spelling of 1288338 in words is "one million, two hundred eighty-eight thousand, three hundred thirty-eight".